<template>
  <div class="dashboard-container">
    <div class="app-container">
      <page-tools :show-before="true">
        <span slot="before">{{ page.total }}</span>
        <template slot="after">
          <el-button
            size="small"
            type="warning"
            @click="$router.push('/import?type=user')"
            >导入</el-button
          >
          <el-button size="small" type="danger" @click="exportData"
            >导出</el-button
          >
          <el-button size="small" type="primary" @click="showDialog = true"
            >新增员工</el-button
          >
        </template>
      </page-tools>
      <!-- 放置表格和分页 -->
      <el-card>
        <el-table border :data="list">
          <el-table-column label="序号" sortable="" type="index" />
          <el-table-column label="姓名" sortable="" prop="username" />
          <el-table-column label="头像" align="center">
            <template slot-scope="{ row }">
              <img
                slot="reference"
                v-imageerror="require('@/assets/common/bigUserHeader.png')"
                :src="row.staffPhoto"
                @click="showQrCode(row.staffPhoto)"
                style="
                  border-radius: 50%;
                  width: 100px;
                  height: 100px;
                  padding: 10px;
                "
                alt=""
              />
            </template>
          </el-table-column>
          <el-table-column label="手机号" sortable="" prop="mobile" />
          <el-table-column label="工号" sortable="" prop="workNumber" />
          <el-table-column
            label="聘用形式"
            sortable=""
            prop="formOfEmployment"
            :formatter="formatEmployment"
          />
          <el-table-column label="部门" sortable="" prop="departmentName" />
          <el-table-column label="入职时间" sortable="" prop="timeOfEntry">
            <!-- 作用域插槽 -->
            <template slot-scope="{ row }">{{
              row.timeOfEntry | formatDate
            }}</template>
          </el-table-column>
          <el-table-column label="账户状态" sortable="" prop="enableState">
            <template slot-scope="{ row }">
              <!-- 根据当前状态来确定 是否打开开关 -->
              <el-switch :value="row.enableState === 1" />
            </template>
          </el-table-column>
          <el-table-column label="操作" sortable="" fixed="right" width="280">
            <template slot-scope="{ row }">
              <el-button
                type="text"
                size="small"
                @click="$router.push(`/employees/detail/${row.id}`)"
                >查看</el-button
              >
              <el-button type="text" size="small">转正</el-button>
              <el-button type="text" size="small">调岗</el-button>
              <el-button type="text" size="small">离职</el-button>
              <el-button type="text" size="small" @click="editRole(row.id)"
                >角色</el-button
              >
              <el-button type="text" size="small" @click="delEmployee(row.id)"
                >删除</el-button
              >
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页组件 -->
        <el-row
          type="flex"
          justify="center"
          align="middle"
          style="height: 60px"
        >
          <el-pagination
            layout="prev, pager, next"
            :page-size="page.size"
            :current-page="page.page"
            :total="page.total"
            @current-change="changePage"
          />
        </el-row>
      </el-card>
    </div>
    <!-- 弹出层 -->
    <add-employee :show-dialog.sync="showDialog"></add-employee>
    <!-- 放置分配角色组件 -->
    <AssignRole
      :showRoleDialog.sync="showRoleDialog"
      :userId="userId"
      ref="assignRole"
    ></AssignRole>
     <!-- 二维码 -->
            <el-dialog
              title="二维码"
              :visible.sync="showCodeDialog"
            >
              <el-row type="flex" justify="center">
                <canvas ref="myCanvas" />
              </el-row>
            </el-dialog>
            <!-- 二维码弹层结束 -->
  </div>
</template>

<script>
import { getEmployeeList, delEmployee } from "@/api/employees";
import EmployeeEnum from "@/api/constant/employees";
import AddEmployee from "@/views/employees/components/add-employee.vue";
import { formatDate } from "@/filters";
import AssignRole from "@/views/employees/components/assign-role.vue";
import QrCode from 'qrcode'
export default {
  components: {
    AddEmployee,
    AssignRole,
  },
  data() {
    return {
      showCodeDialog:false, //二维码的弹层
      showRoleDialog: false,
      userId: null,
      list: [],
      page: {
        page: 1, // 当前页码
        size: 10,
        total: 0, // 总数
      },
      loading: false,
      showDialog: false,
    };
  },
  created() {
    this.getEmployeeList();
  },
  methods: {
    async getEmployeeList() {
      this.loading = true;
      const { total, rows } = await getEmployeeList(this.page);
      this.page.total = total;
      this.list = rows;
      this.loading = false;
    },
    changePage(newPage) {
      this.page.page = newPage;
      this.getEmployeeList();
    },
    // 格式化聘用形式
    formatEmployment(row, column, cellValue, index) {
      // 要去找 1所对应的值
      const obj = EmployeeEnum.hireType.find((item) => item.id === cellValue);
      return obj ? obj.value : "未知";
    },
    async delEmployee(id) {
      try {
        await this.$confirm("您确定删除该员工吗");
        await delEmployee(id);
        this.getEmployeeList();
        this.$message.success("删除员工成功");
      } catch (error) {
        // 捕捉取消和错误
        console.log(error);
      }
    },
    // 导出excel数据
    exportData() {
      //  做操作
      // 表头对应关系
      const headers = {
        姓名: "username",
        手机号: "mobile",
        入职日期: "timeOfEntry",
        聘用形式: "formOfEmployment",
        转正日期: "correctionTime",
        工号: "workNumber",
        部门: "departmentName",
      };
      const multiHeader = [["姓名", "主要信息", "", "", "", "", "部门"]];
      const merges = ["A1:A2", "B1:F1", "G1:G2"];
      // 懒加载
      import("@/vendor/Export2Excel").then(async (excel) => {
        const { rows } = await getEmployeeList({
          page: 1,
          size: this.page.total,
        });
        const data = this.formatJson(headers, rows);

        excel.export_json_to_excel({
          header: Object.keys(headers),
          data,
          filename: "员工信息表",
          autoWidth: true,
          bookType: "xlsx",
          multiHeader, // 复杂表头
          merges, // 合并选项
        });
      });
    },
    // 该方法负责将数组转化成二维数组
    formatJson(headers, rows) {
      return rows.map((item) => {
        // item是一个对象  { mobile: 132111,username: '张三'  }
        // ["手机号", "姓名", "入职日期" 。。]
        return Object.keys(headers).map((key) => {
          // 需要判断 字段
          if (
            headers[key] === "timeOfEntry" ||
            headers[key] === "correctionTime"
          ) {
            // 格式化日期
            return formatDate(item[headers[key]]);
          } else if (headers[key] === "formOfEmployment") {
            const obj = EmployeeEnum.hireType.find(
              (obj) => obj.id === item[headers[key]]
            );
            return obj ? obj.value : "未知";
          }
          return item[headers[key]];
        });
        // ["132", '张三’， ‘’，‘’，‘’d]
      });
      // return rows.map(item => Object.keys(headers).map(key => item[headers[key]]))
      // 需要处理时间格式问题
    },
    async editRole(id) {
      this.userId = id;
      await this.$refs.assignRole.getUserInfoById(id); // 父组件调用子组件方法
      this.showRoleDialog = true;
    },
    showQrCode(url){

      console.log(url,111)
      if(url){
       this.showCodeDialog = true // 数据更新了 但是我的弹层会立刻出现吗 ？页面的渲染是异步的！！！！
        // 有一个方法可以在上一次数据更新完毕，页面渲染完毕之后
        this.$nextTick(() => {
          // 此时可以确认已经有ref对象了
          QrCode.toCanvas(this.$refs.myCanvas, url) // 将地址转化成二维码
        })
      }else{
        this.$message.warning('该用户还未上传头像')
      }
    }
  },
}
</script>

<style></style>
